53555840

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:230

約数の個数: 128

約数和(自身を含む): 142143120

約数和(自身を除く): 88587280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 64, 65, 80, 82, 104, 128, 130, 157, 160, 164, 205, 208, 260, 314, 320, 328, 410, 416, 520, 533, 628, 640, 656, 785, 820, 832, 1040, 1066, 1256, 1312, 1570, 1640, 1664, 2041, 2080, 2132, 2512, 2624, 2665, 3140, 3280, 4082, 4160, 4264, 5024, 5248, 5330, 6280, 6437, 6560, 8164, 8320, 8528, 10048, 10205, 10660, 12560, 12874, 13120, 16328, 17056, 20096, 20410, 21320, 25120, 25748, 26240, 32185, 32656, 34112, 40820, 42640, 50240, 51496, 64370, 65312, 68224, 81640, 83681, 85280, 100480, 102992, 128740, 130624, 163280, 167362, 170560, 205984, 257480, 261248, 326560, 334724, 341120, 411968, 418405, 514960, 653120, 669448, 823936, 836810, 1029920, 1306240, 1338896, 1673620, 2059840, 2677792, 3347240, 4119680, 5355584, 6694480, 10711168, 13388960, 26777920, 53555840]

約数ペア:

[(1, 53555840), (2, 26777920), (4, 13388960), (5, 10711168), (8, 6694480), (10, 5355584), (13, 4119680), (16, 3347240), (20, 2677792), (26, 2059840), (32, 1673620), (40, 1338896), (41, 1306240), (52, 1029920), (64, 836810), (65, 823936), (80, 669448), (82, 653120), (104, 514960), (128, 418405), (130, 411968), (157, 341120), (160, 334724), (164, 326560), (205, 261248), (208, 257480), (260, 205984), (314, 170560), (320, 167362), (328, 163280), (410, 130624), (416, 128740), (520, 102992), (533, 100480), (628, 85280), (640, 83681), (656, 81640), (785, 68224), (820, 65312), (832, 64370), (1040, 51496), (1066, 50240), (1256, 42640), (1312, 40820), (1570, 34112), (1640, 32656), (1664, 32185), (2041, 26240), (2080, 25748), (2132, 25120), (2512, 21320), (2624, 20410), (2665, 20096), (3140, 17056), (3280, 16328), (4082, 13120), (4160, 12874), (4264, 12560), (5024, 10660), (5248, 10205), (5330, 10048), (6280, 8528), (6437, 8320), (6560, 8164)]